williamlsh · November 10, 2018 10:06
diff --git a/fibonacci-number.go b/fibonacci-number.go
 package main

 import "fmt"

 func main() {
  f := fibonacci()
  fmt.Println(f())
 }

 func fibonacci() func()int {
  pre, cur := 0, 1
  return func() int {
    pre, cur = cur, pre+cur
    return cur
  }
 }
	package main

	import "fmt"

	func main() {
	f := fibonacci()
	fmt.Println(f())
	}

	func fibonacci() func()int {
	pre, cur := 0, 1
	return func() int {
	pre, cur = cur, pre+cur
	return cur
	}
	}